TYPO3 before 4.3.4 and 4.4.x before 4.4.1 allows XSS in the textarea view helper in an extbase extension.
bugs.debian.org/cgi-bin/bugreport.cgi?bug=590719
github.com/TYPO3-CMS/core
github.com/TYPO3-CMS/fluid/blob/cbce111326850c247729f097b2d1fb735e513906/Classes/ViewHelpers/Form/TextareaViewHelper.php
github.com/TYPO3/typo3/commit/5f13c2276c8b753ceb76b31d1034a47c781d302a
github.com/TYPO3/typo3/commit/fc2b43503d871b42c0e0094ea55756c089b536ea
nvd.nist.gov/vuln/detail/CVE-2010-3672
security-tracker.debian.org/tracker/CVE-2010-3672
typo3.org/security/advisory/typo3-sa-2010-012/#XSS